Re: [eclipselink-users] Static weaving question: referenced jars?

[James Sutherland <jamesssss@xxxxxxxxx>]

Only Fred would be weaved.


ljnelson wrote:
> 
> I had a look through the static weaving source code, but had to give up
> (not
> enough time).
> 
> I'm looking at doing some JPA unit testing "the right way".  Currently we
> do
> it the wrong way by explicitly disabling weaving altogether (otherwise the
> Big Three JPA providers crash into each other in our unit tests with their
> dynamic weaving/enhancement agents).
> 
> By "the right way" I mean performing static weaving (in EclipseLink's
> case).
> 
> As I was whacking away at the various Maven incantations to make this all
> happen during JUnit execution, it dawned on me: I can statically weave the
> *current* project's JPA classes, but what (if anything) will the weaver do
> about classes referenced in the persistence unit that are (a) on the
> classpath, and hence at least somewhat visible to the static weaver but
> (b)
> not in the (single?!) jar/directory specified as the static weaver's
> "source" argument?
> 
> To put it more simply: assume I'm working on a classes directory for
> project
> Fred.
> 
> Assume further that Fred has a dependency on Joe.  Joe is a project
> containing unweaved entity classes in a jar, and is on the classpath at
> the
> time that the static weaver is called.
> 
> If I call the weaver like this:
> 
>   java org.eclipse.persistence.tools.weaving.jpa.StaticWeave
> -persistenceinfo c:\wherever -classpath c:\fred\classes;c:\joe.jar
> c:\fred\classes c:\fred\weaved-classes
> 
> ...I'm assuming it will only weave Fred's classes, not Joe's, even if
> Fred's
> persistence XML makes reference to a Joe class.
> 
> Is there a way (I don't see one) to specify multiple source jars?
> 
> (Finally, the -classpath argument, incidentally is *not* required,
> contrary
> to the documentation; obviously in such a case you'd better be invoking
> StaticWeave from within a Java program)
> 
> Best,
> Laird
> 
> 
> 


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